Which piece of evidence would allow you to reject the hypothesis of separate types?
A) fossil evidence showing that organisms have been on Earth for billions of years
B) similarity of physical structures among species
C) universality of DNA to all life
D) fossil evidence that species have changed over time
C
You might also like to view...
What is substance X?
A) a coenzyme B) an allosteric inhibitor C) a substrate D) an intermediate E) the product
Visual pigments are molecules made of
a. protein only. b. carbohydrate only. c. vitamin derivative only. d. steroid only. e. protein and a vitamin derivative
Ions diffuse across membranes through specific ion channels down _____
A) their chemical gradients B) their concentration gradients C) the electrical gradients D) their electrochemical gradients
In Bacillus anthracis the lethal factor
A. a protease that inhibits blood clotting B. a metalloprotease that lead to cell death C. binds to cells D. is an adenylate cyclase